(大的，不確定的)量(indefinite but large quantity， amount， extent or degree) [U， a～][N(of)];
a great/good deal (of) 大量，許多：a great (good)～of money/time/work/trouble/pain/information/support/help/praise 大量的錢/時(shí)間/工作/麻煩/痛苦/信息/支持/幫助/表揚(yáng);learn/hear/write a great(good)～(用作名詞)學(xué)會(huì)/聽說/寫很多(東西);change/travel/cost a great (good)～(用作副詞)改變很大/經(jīng)常旅行/花費(fèi)很多;be a great (good)～better/happier/more difficult (用作副詞)好/快活/困難得多;
【說明】a great/good deal of后僅可接不可數(shù)名詞。注意下句中不可數(shù)名詞和可數(shù)名詞前表示數(shù)量的短語的使用：A good deal of money is spent by a large number of people in buying a great deal of beef obtained from a large number of cattle.(許多人花許多錢買許多的牛肉，這些牛肉是宰了許多的牛而得來的。)